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Range DescriptionBucorvus leadbeateri is found in southern Africa, ranging from southern Kenya and Burundi, south-west to Angola and northern Namibia, and south to Botswana and eastern South Africa. It is described as widespread and fairly common, and the population in South Africa in 1992 has been estimated at c.1,400 mature individuals - perhaps a 50% decline on historical population numbers (Kemp and Webster in litt. 2008). Although data for other range countries is lacking, several threats are also thought to be causing population declines in Kenya (S. Thomsett in litt. 2010), Botswana (S. Tyler in litt. 2010) and Zambia (R. Tether, P. Leonard and L. Roxburgh in litt. 2010), though rates of decline in Zambia are thought to be slower than elsewhere (L. Roxburgh in litt. 2010). In Botswana it is still frequent in the Okavango Delta and Chobe areas, where it occurs at higher densities than it averages in South Africa, but is likely to be declining away from protected areas (S. Tyler in litt. 2012).